Hydration Control


SikaTard®-440 is a hydration controlling admixture to control the hydration of cement. The use of SikaTard®-440 allows the concrete producer to stabilize concrete mixes for long periods without negatively affecting concrete durability. SikaTard®-440 can also be used stabilize returned concrete and re-use it. SikaTard®-440 can also be used in concrete wash water application. SikaTard®-440 meets the requirements of ASTM C-494, Type B and Type D admixture.